/*
 * Copyright 2009-2010 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.freedom.gj.beans.converter;

import java.text.DecimalFormat;


public class IntegerToCSVStringConverter implements Converter {

	public Object convert(Object value) {
		 if (value == null) {
	            return "";
	     }
	    
	     if (value instanceof Integer) {
	    	 DecimalFormat format = new DecimalFormat("###,###,###");
	         return format.format(value);
	     }
	     throw new IllegalArgumentException("Invalid Conversion from Integer to comma separated " + value);
	    }
	}
